In a promotion for the film Elemental, the character dolls have the prices and discounts shown. Sofia wants the cheapest doll after discount. How much must she pay?
Fermat club has five groups with an average of 300 people per group. The graph shows their sizes, but the numerical scale has been erased. How many people are in the largest group?
Printer A is serviced every 18 days and printer B every 15 days. Both were serviced on Monday. On which day of the week will they next be serviced together?
Isabelle photographs the same pool float, coloured red, green, blue and yellow, from four different positions. Which option cannot belong to those four views?
Andrew places three rectangular pieces from shortest to tallest, each 16 cm taller than the preceding one, as Figure 1. He rearranges them as Figure 2, keeping their bottoms aligned. What is perimeter(Figure 2) minus perimeter(Figure 1)?
Soldiers are labelled 1 to 120. Those with labels divisible by 2 leave, then those with labels divisible by 5 leave. Keeping the original labels, how many soldiers remain?
Mr Bean puts one card for each integer from 20 to 2000 in a box and draws cards at random without replacement. What is the least number of draws that guarantees two drawn numbers have sum 2023?
Intended guarantee reading: the number must work for every possible draw, rather than only for a lucky pair.
Selena joins all four identical, uncut cubes face to face to form a cuboid. Its total surface area is S. If the minimum possible S is 288 cm², find the maximum possible S.
Fill the seven circles with 1 through 7, without repetition, so that each of the five drawn straight lines of three circles has the same sum. Which number must be at the top?